What does the precomp.exe file do?
The precomp.exe process is also known as Command Line Precompressor and is a part of Command Line Precompressor or, as the case may be, µTorrent. This software is produced by unknown. An outdated or faulty version of precomp.exe can cause problems for your computer, ranging from slowness to error messages like these:
- Command Line Precompressor has stopped working. Windows is checking for a solution to the problem... (Windows 11, 10, 7)
- Command Line Precompressor has stopped working. A problem caused the program to stop working correctly. Windows will close the program and notify you if a solution is available. (Windows 11, 10, 7)
- precomp.exe has encountered a problem and needs to close.
- Access violation at address FFFFFFFF in module precomp.exe. Read of address 00000000.
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What you should know about precomp.exe Command Line Precompressor
precomp.exe is not a Windows system file and is known to frequently cause computer problems. Precomp.exe is found in in a subdirectory of the Windows Temp folder.
Frequently occurring are file sizes such as 1,187,840 bytes (57% of all these files), 328,192 bytes as well as 5 other variants.
It does not come from Microsoft and is not part of the operating system. This precomp.exe process does not appear as a visible window, but only in Task Manager. There is no internal description of the file.
For this reason, 76% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.
- A precomp.exe file has a 80% certainty of being dangerous if it is found in a subdirectory of "C:\Users\USERNAME". In this case, the file size is usually 1,190,912 bytes (31% of all these files), 1,187,840 bytes as well as 9 other variants.
This file contains no information about the producer or the version. Precomp.exe does not come from Microsoft and is not part of the operating system. The application does not have a visible window, and does not appear on the taskbar.
- A precomp.exe file has a 73% certainty of being dangerous if it is found in a subdirectory of "C:\Program Files". In this case, the file size is usually 1,190,912 bytes (50% of all these files) or, as the case may be, 104,448 bytes. It does not supply any version information or other description. The program executes in the background, and can only be terminated using Windows Task Manager. It is no part of Microsoft Windows.
If you see this file on your hard drive or in Windows Task Manager, please make sure that it is not a malicious variant. It's a fact that many trojans try to cloak their true identity by calling themselves precomp.exe. With the above information or by using tools like Security Task Manager you can determine if, in your case, the file is an undesirable variant.
What do other computer users say about precomp?
The file spreads very slowly and does not often make an appearance. Therefore, feedback from other users is not yet available.
Summary: source: file.net
How to uninstall Command Line Precompressor or µTorrent
To remove Command Line Precompressor from your computer, please follow the manual instructions below.
- Click the Windows Start Button. You can find it in the lower-left corner of the taskbar.
- Type 'uninstall'.
- Click Add or remove programs.
- Now locate Command Line Precompressor or µTorrent in the list of displayed applications.
- Click the program, and then click Uninstall.


How to check if precomp.exe (Command Line Precompressor) was uninstalled completely
After uninstalling, restart your computer. Then open Windows Explorer and check if a folder with the software name still exists under C:\Program Files. Also, check the Registry for remnants of Command Line Precompressor. To do this, start Regedit, then look under HKEY_LOCAL_MACHINE > Software for: Command Line Precompressor or the name of the producer. Keep in mind that only a computer professional should delete entries in the Windows Registry directly.
Last but not least
If Windows is not working properly, startup is slow, or precomp.exe is causing problems, a good Windows diagnostic tool may help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.
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